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Patent Searching and Data


Title:
LUBRICATING OIL ADDITIVE AND LUBRICATING OIL COMPOSITION CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2021/020107
Kind Code:
A1
Abstract:
The present invention provides a lubricating oil additive and a lubricating oil composition containing the additive. Said lubricating oil additive contains: a molybdenum compound (A) represented by general formula (1); and a sulfur-based composition (B) containing a sulfur-based compound (b-1) represented by general formula (2) and at least one sulfur-based compound (b-2) represented by general formula (3) or (4). (In formula (1), R1 to R4 each represent C6-C18 alkyl groups which are the same or different, and X1 to X4 each independently represent an oxygen atom or a sulfur atom.) (In formula (2), R5 and R6 represent C3-C24 alkyl groups which are the same or different, and a and b each represent the number of 1 to 5.) (In formulas (3) and (4), R7 to R10 each represent C1-C28 alkylene groups which are the same or different, and R11 and R12 each independently represent a hydrogen atom or a C1-C3 alkyl group, and c and d each independently represent the number of 1 to 8. Here, at least one among R11 and R12 is a C1-C3 alkyl group.)

Inventors:
IINO SHINJI (JP)
KATSUNO EIJI (JP)
SUMI TARO (JP)
MATSUEDA HIRONOBU (JP)
SAKATA HIROSHI (JP)
Application Number:
PCT/JP2020/027352
Publication Date:
February 04, 2021
Filing Date:
July 14, 2020
Export Citation:
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Assignee:
ADEKA CORP (JP)
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C10M135/18; C10M135/26; C10M135/36; C10N10/12; C10N30/00; C10N40/02; C10N40/04; C10N40/12; C10N40/25; C10N40/30
Domestic Patent References:
WO2018139403A12018-08-02
WO2004069966A12004-08-19
WO2008029756A12008-03-13
Foreign References:
JPH0873878A1996-03-19
JP2018090714A2018-06-14
JPH11246883A1999-09-14
JP2011052153A2011-03-17
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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